— 484 



Farn. Hydrometritlae. 



Hydrometridae Put. Synops. 1, p. 5 et 143; Reut. Eni. Tidsk. 

 1882, p. 165; Leth. Sev. Cat. 3, p. 53; Dist. Fn. Br. Ind. 2, 

 p. 168; Gerridae Kirk. Tr. Am. Ent. Soc. 1906, p. 154. 



Subf. Mesouelilna. 



Farn. Hydroessae Fieb. (prt.) Eur. Hern. p. 23; fam. Mesove- 

 lidae Dgl. Sc. Ent. M. Mag. 4, p. 3; trib. Mesovelini Pot. Synops. 

 1, p. 143; subf. Mesoveliina Reut. Ent. Tidsk. 1882, p. 165;" Dist. 

 Fn. Br. Ind. 2, p. 168; sbf. Mesovelidae Leth. Sev. Cat. 3, p. 53. 



MesoYelia Mls. K. 



Mesovelia Mls. R. Ann. S. Lin. Lyon 1852, p. 138; Fieb. Eur. 

 Hern. p. 33; Dgl. Sc. Ent. M. Mag-. 4, p. 4; J. Selb. Syn. Ampli. 

 p. 259; Put. Synops. 1, p. 146; Dist. Fn. Br. Ind. 2, p. 168; 

 Fieberia Jak. Tp. P. 9. 0Ö^. 7, p. 36. 



1641. furcataMLS. R. 



Mesoveila furcata Mls. R. Ann. S. Linii. Lyon 1852, p. 138; 

 Fieb. Eur. Hern. p. 105; Dgl. Sc. Ent. M. Mag. 4, p. 5, t. 1, f. 1; 

 Saund. Synops. 3, p. 641; Put. Synops. 1, p. 146 (prt.); Reut. 

 Ent. Tidsk. 1882, p. 166; Saund. Hern. Het. Br. p. 146, t. 13, 

 f. 7; HoRv. Rev. d'Ent. 1895, p. 160; Kirk. Entom. 32, t. 1, 

 f. 6; Fieberia lacitstris Jak. Tp. P. 9. Oön^. 7, p. 37, t. 1, f. 1; 

 Mesovelia imrra (f. brach.) J. Sdlb. Syn. Ampli. p. 260. 



Britania, Germania, Bafjivia, Belgica, Gallia, Italia, Hungaria, 

 Romania, Marocco, Algeria; Aegyptus, Syria; Fennia, Rossia, 

 Tnrcomaunia, Sibiria. Regio australica (Ins. Lombok). 



